xxx
Issue 1
December 1997
Figures
2-22
Locked (0x1) STS-3c - Broadband Services
2-23
Teleprotection and SCADA Application
2-24
Intelligent Vehicle Highway System (IVHS)
Application
3
Shelf Descriptions and Configurations
3-1
DDM-2000 OC-12 Shelf — Front View
3-2
DDM-2000 OC-12 Shelf — Rear View
3-3
DDM-2000 OC-12 Front Panel
3-4
OC-12 STS-1 Path Switched Ring Shelf
3-5
OC-12 STS-1/VT1.5 Path Switched Ring
Configuration
3-6
OC-3/IS-3 Dual Ring Interworking Configuration
3-7
OC-12 Ring Configuration (DS1/EC-1 Low-Speed
Interfaces)
3-8
OC-12 Optical Extension Shelf
3-9
Linear (1+1) Extension From OC-12 Ring
Configuration
3-10
DDM-2000 OC-12 Dual Homing Shelf
3-11
DDM-2000 OC-12 STS-3c Broadcast Shelf
3-12
DDM-2000 OC-12 OC-3c Transport Shelf
3-13
DDM-2000 Fan Shelf
3-14
DDM-2000 Fan Shelf — Fan Switches — Front
Cover Removed
4
Power
4-1
DDM-2000 OC-12 Multiplexer Power
Architecture
4-2
Circuit Pack Power and LED Control
4-3
Typical -48 Volt Power Supply for DDM-2000
OC-12 Single Shelf